Concrete Technology MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Concrete Technology, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Concrete Technology MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Concrete Technology mcq questions that explore various aspects of Concrete Technology problems. Each MCQ is crafted to challenge your understanding of Concrete Technology principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Concrete Technology MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Concrete Technology. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Concrete Technology knowledge to the test? Let's get started with our carefully curated MCQs!

Concrete Technology MCQs | Page 17 of 24

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Q161.
Pick up the incorrect statement from the following:

a.

Admixtures accelerate hydration

b.

Admixtures make concrete water proof

c.

Admixtures make concrete acid proof

d.

Admixtures give high strength

Discuss
Answer: (a).Admixtures accelerate hydration
Q162.
Higher workability of concrete is required if the structure is

a.

made with cement concrete

b.

thick and reinfored

c.

thin and heavily reinforced

d.

thick and heavily reinfored.

Discuss
Answer: (d).thick and heavily reinfored.
Q163.
Setting time of cement increases by adding

a.

gypsum

b.

hydrogen peroxide

c.

calcium chloride

d.

sodium oxide

Discuss
Answer: (a).gypsum
Q164.
Pick up the correct statement from the following:

a.

Sand obtained from pits, is washed to remove clay and silt

b.

Sand obtained from flooded pits, need not be washed before use

c.

Sea shore sand contains chlorides which cause effloresance

d.

All the above.

Discuss
Answer: (d).All the above.
Q165.
The strength and quality of concrete, depend upon:

a.

grading of aggregates

b.

surface area of aggregates

c.

shape of aggregates

d.

all the above.

Discuss
Answer: (d).all the above.
Q166.
The process of mixing, transporting, placing and compacting concrete using Ordinary Port land Cement should not take more than

a.

30 minutes

b.

40 minutes

c.

60 minutes

d.

75 minutes

Discuss
Answer: (a).30 minutes
Q167.
Pick up the incorrect statement from the following. While performing preliminary test on concrete

a.

proportions of the material and water should be the same as to be used at the work site

b.

cement should be mixed by hand in order to maintain uniformity

c.

concrete mix should be stored in air-tight containers

d.

concrete ingredients should be kept at a temperature of 37° ± 2°C

Discuss
Answer: (d).concrete ingredients should be kept at a temperature of 37° ± 2°C
Q168.
Sand requiring a high water cement ratio, belongs to

a.

Zone I

b.

Zone II

c.

Zone III

d.

Zone IV.

Discuss
Answer: (a).Zone I
Q169.
For a good concrete

a.

aggregates should be hard and durable

b.

cement should be sufficient to produce the required strength

c.

water should be free from organic materials

d.

All the above.

Discuss
Answer: (d).All the above.
Q170.
If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is

a.

2000 bags

b.

2200 bags

c.

2400 bags

d.

2700 bags

Discuss
Answer: (d).2700 bags
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